DE3279870D1 - Method for recognizing machine encoded characters - Google Patents

Method for recognizing machine encoded characters

Info

Publication number
DE3279870D1
DE3279870D1 DE8282301857T DE3279870T DE3279870D1 DE 3279870 D1 DE3279870 D1 DE 3279870D1 DE 8282301857 T DE8282301857 T DE 8282301857T DE 3279870 T DE3279870 T DE 3279870T DE 3279870 D1 DE3279870 D1 DE 3279870D1
Authority
DE
Germany
Prior art keywords
encoded characters
machine encoded
recognizing machine
recognizing
characters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8282301857T
Other languages
German (de)
Inventor
John Stanley Grabowski
Chin-Chih Shiau
John Richard Latala
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Canada Ltd
Original Assignee
NCR Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NCR Canada Ltd filed Critical NCR Canada Ltd
Application granted granted Critical
Publication of DE3279870D1 publication Critical patent/DE3279870D1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/245—Aligning, centring, orientation detection or correction of the image by locating a pattern; Special marks for positioning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Character Input (AREA)
DE8282301857T 1981-04-16 1982-04-08 Method for recognizing machine encoded characters Expired DE3279870D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/254,838 US4408342A (en) 1981-04-16 1981-04-16 Method for recognizing a machine encoded character

Publications (1)

Publication Number Publication Date
DE3279870D1 true DE3279870D1 (en) 1989-09-14

Family

ID=22965774

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198282301857T Pending DE63454T1 (en) 1981-04-16 1982-04-08 METHOD FOR RECOGNIZING MACHINE-CODED CHARACTERS.
DE8282301857T Expired DE3279870D1 (en) 1981-04-16 1982-04-08 Method for recognizing machine encoded characters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198282301857T Pending DE63454T1 (en) 1981-04-16 1982-04-08 METHOD FOR RECOGNIZING MACHINE-CODED CHARACTERS.

Country Status (5)

Country Link
US (1) US4408342A (en)
EP (1) EP0063454B1 (en)
JP (1) JPS57178572A (en)
CA (1) CA1160347A (en)
DE (2) DE63454T1 (en)

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EP0120334B1 (en) * 1983-03-01 1989-12-06 Nec Corporation Letter pitch detection system
JPS60200379A (en) * 1984-03-26 1985-10-09 Hitachi Ltd Segmentation device for picture processing
US4769849A (en) * 1985-12-19 1988-09-06 The Palantir Corporation Method and apparatus for separating overlapping patterns
JPH07120389B2 (en) * 1986-02-28 1995-12-20 住友電気工業株式会社 Optical character reader
JPS63182793A (en) * 1987-01-26 1988-07-28 Sharp Corp Character segmenting system
US4897880A (en) * 1987-02-17 1990-01-30 Soricon Corporation Data acquisition control method and system for a hand held reader
US4984282A (en) * 1988-03-25 1991-01-08 Texas Instruments Incorporated Parallel processing of reference and guardband data
US5001764A (en) * 1988-03-25 1991-03-19 Texas Instruments Incorporated Guardbands for pattern inspector
DE3825582A1 (en) * 1988-07-28 1990-02-01 Ralf A Sood Method and arrangement for the recognition of characters and/or objects
JP2727010B2 (en) * 1989-03-16 1998-03-11 富士通株式会社 Magnetic ink character recognition device
US5495097A (en) * 1993-09-14 1996-02-27 Symbol Technologies, Inc. Plurality of scan units with scan stitching
US5262626A (en) * 1989-12-06 1993-11-16 Symbol Technologies, Inc. Decoding bar codes from multiple scans using element replacement
US5402504A (en) * 1989-12-08 1995-03-28 Xerox Corporation Segmentation of text styles
US5129014A (en) * 1989-12-08 1992-07-07 Xerox Corporation Image registration
CA2027253C (en) * 1989-12-29 1997-12-16 Steven C. Bagley Editing text in an image
US5077805A (en) * 1990-05-07 1991-12-31 Eastman Kodak Company Hybrid feature-based and template matching optical character recognition system
US5367578A (en) * 1991-09-18 1994-11-22 Ncr Corporation System and method for optical recognition of bar-coded characters using template matching
US5390259A (en) * 1991-11-19 1995-02-14 Xerox Corporation Methods and apparatus for selecting semantically significant images in a document image without decoding image content
US5457308A (en) * 1993-09-14 1995-10-10 Symbol Technologies, Inc. Bar code scan stitching
AU681421B2 (en) * 1993-09-14 1997-08-28 Symbol Technologies, Inc. Bar code scan stitching
JPH07288722A (en) * 1994-04-15 1995-10-31 Canon Inc Image pickup device
US5734761A (en) * 1994-06-30 1998-03-31 Xerox Corporation Editing scanned document images using simple interpretations
US5805747A (en) * 1994-10-04 1998-09-08 Science Applications International Corporation Apparatus and method for OCR character and confidence determination using multiple OCR devices
GB9507098D0 (en) * 1995-04-06 1995-05-31 Rolls Royce Plc Process and apparatus for reading a dot matrix code marking of an article
US5655027A (en) * 1996-05-22 1997-08-05 Dunn; Harold P. Continuous extraction and processing of document fields
JP4032204B2 (en) 1999-12-10 2008-01-16 セイコーエプソン株式会社 Magnetic pattern recognition device, recognition method, and information recording medium
US6654487B1 (en) * 2000-03-03 2003-11-25 Charles H. Downs, Jr. Character recognition, including method and system for processing checks with invalidated MICR lines
US20030059099A1 (en) * 2001-09-27 2003-03-27 Longford Equipment International Limited Optical character recognition system
US7242806B2 (en) * 2002-01-23 2007-07-10 Honeywell International Inc. Methods, functional Data, and Systems for image feature translation
US6999635B1 (en) * 2002-05-01 2006-02-14 Unisys Corporation Method of reducing background noise by tracking character skew
JP4438387B2 (en) * 2003-02-03 2010-03-24 セイコーエプソン株式会社 Magnetic ink character reader
US7606408B2 (en) * 2004-06-21 2009-10-20 Seiko Epson Corporation Magnetic ink character reading method and program
JP2006012027A (en) * 2004-06-29 2006-01-12 Seiko Epson Corp Optical reader, recognition processor, character reading method and program, magnetic ink character reader, and pos terminal device
JP2006126956A (en) * 2004-10-26 2006-05-18 Seiko Epson Corp Character recognition device and method
US7386160B2 (en) * 2004-12-02 2008-06-10 International Business Machines Corporation System and method for determining image resolution using MICR characters
US8136721B2 (en) * 2006-05-12 2012-03-20 International Business Machines Corporation Enhanced check code line image capture for improved OCR
US8023718B1 (en) * 2007-01-16 2011-09-20 Burroughs Payment Systems, Inc. Method and system for linking front and rear images in a document reader/imager
CN102081748B (en) * 2011-02-12 2013-02-27 熊锐 Bar code pattern and bar code group pattern formed by node matrix and node line, and generation and identification method thereof
JP2011238279A (en) * 2011-07-25 2011-11-24 Seiko Epson Corp Optical reader, recognition processor, character reading method and program, magnetic ink character reader, and pos terminal device

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US3199080A (en) * 1961-02-21 1965-08-03 Control Data Corp Line reading machine
US3295105A (en) * 1964-08-27 1966-12-27 Sylvania Electric Prod Scan control and normalization for a character recognition system
USB618016I5 (en) * 1968-11-29
US3725862A (en) * 1971-06-25 1973-04-03 Ibm Line finding system and method for character recognition
US3710323A (en) * 1971-12-13 1973-01-09 Ibm Pattern-size normalizing for recognition apparatus
US3976973A (en) * 1974-01-07 1976-08-24 Recognition Equipment Incorporated Horizontal scan vertical simulation character reading
US4206442A (en) * 1974-07-03 1980-06-03 Nippon Electric Co., Ltd. Letter segmenting apparatus for OCR comprising multi-level segmentor operable when binary segmenting fails
JPS5156139A (en) * 1974-11-13 1976-05-17 Hitachi Ltd Mojomitorisochi niokeru kiridashihoshiki
US4122443A (en) * 1977-06-24 1978-10-24 Scan Optics, Inc. Character position detector
US4110737A (en) * 1977-08-22 1978-08-29 The Singer Company Character recognition apparatus for serially comparing an unknown character with a plurality of reference characters
US4173015A (en) * 1978-08-16 1979-10-30 Recognition Equipment Incorporated System and method for character presence detection
US4204193A (en) * 1978-11-03 1980-05-20 International Business Machines Corporation Adaptive alignment for pattern recognition system
SE422714B (en) * 1979-01-16 1982-03-22 Ibm Svenska Ab DEVICE WITH OPTICAL SIGN SOLUTION COMPUTER, WHICH CONTROL COMPUTER CALCULATES STARTING POINTS FOR IDENTIFYING A SIGN
US4377803A (en) * 1980-07-02 1983-03-22 International Business Machines Corporation Algorithm for the segmentation of printed fixed pitch documents

Also Published As

Publication number Publication date
EP0063454B1 (en) 1989-08-09
EP0063454A2 (en) 1982-10-27
JPS57178572A (en) 1982-11-02
CA1160347A (en) 1984-01-10
US4408342A (en) 1983-10-04
JPH0420226B2 (en) 1992-04-02
EP0063454A3 (en) 1986-01-29
DE63454T1 (en) 1983-04-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)